The third planet from the sun, our Earth is the only planet in the universe where life is known to exist. Assessed to have been formed 4.54 billion years ago, the Earth is the sole planet in our solar system where favorable environment and temperature conditions have made possible the
existence of millions of species, including humans.

Climate Change!!! Heat waves. Droughts. Floods. More infectious diseases and injuries borne of weather extremes. The projected effects of climate change may sound apocalyptic, but public-health scientists say there are ways to prepare for global warming's expected assaults on the body by educating people about the health risks of heat waves and enhancing disease surveillance. "It's not necessarily going to be of biblical proportions, but our living conditions are at risk of deteriorating...
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